from OFS.Folder import Folder
from Products.PageTemplates.PageTemplateFile import PageTemplateFile
from Globals import package_home
from AccessControl import ClassSecurityInfo
import os.path
import urllib
import logging
import urlparse

# TODO: which xml toolkit?
import amara
import xml.sax.saxutils
import xml.dom.minidom
import xml.etree.ElementTree as ET

# TODO: do we need this?
#from Products.OSA_system2 import OSAS_helpers
#from Products.OSA_system2.OSAS_metadata import OSAS_Metadata,OSAS_MetadataMapping
from OSAS_metadata import OSAS_MetadataMapping


class MetaDataMapping(OSAS_MetadataMapping):
    """Metadata mapping object representing a fixed set of sub-elements."""
    
    meta_type="MetadataMapping"
    manage_options = SimpleItem.manage_options+(
        {'label':'Main Config','action':'changeMetadataMappingForm'},
        )
    
    fields = {}
    """dict containing element descriptions"""
    
    fieldList = []
    """list of element names in preferred order"""
    
    def __init__(self,id,title,fields):
        """init
        @param id: id
        @param title: title fuer zope navigation
        @param fields: dictionary mit Namen der zugelassenen Metadaten als key und Tripel  als Werte (human readable, tag version,explanation
        """
        self.id=id
        self.title=title
        for fieldName in fields.keys():
            self.fields[fieldName] = fields[fieldName]
        
           

    
    
    
manage_addMetaDataMappingForm = PageTemplateFile('zpt/addMetadataMappingForm', globals())

def manage_addMetaDataMapping(self,idOfObject,titleOfObject,RESPONSE=None):
    """add the MetapdataMapping"""
    argList={}
    for arg in self.fieldList:
        if not (arg in ['idOfObject','titleOfObject']):
            argList[arg]=(self.REQUEST.form[arg],self.REQUEST.form['label_'+arg],self.REQUEST.form['explanation_'+arg],self.REQUEST.form['status_'+arg],self.REQUEST.form['values_'+arg])
            
    newObj=MetaDataMapping(idOfObject,titleOfObject,argList)
    self._setObject(idOfObject,newObj)
    if RESPONSE is not None:
        RESPONSE.redirect('manage_main')